Home / 71,348.22-98,452.60-39,509.15

Finding the Fourth Proportional to 71,348.22, 98,452.60 and 39,509.15

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Solution

The fourth proportional to 71,348.22, 98,452.60 and 39,509.15 is: 54,518.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,348.22 : 98,452.60 = 39,509.15 : x
  2. Step 2: Convert to fraction form
    71,348.22/98,452.60 = 39,509.15/x
  3. Step 3: Cross multiply
    71,348.22x = 98,452.60 × 39,509.15
  4. Step 4: Simplify right side
    71,348.22x = 3,889,777,950.25
  5. Step 5: Solve for x
    x = 3,889,777,950.25/71,348.22
  6. Step 6: Final answer
    x = 54,518.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.